Jacqui Ainsley and Guy Ritchie
Optic Photos/Pacific Coast News
10/09/2012 at 06:55 AM EDT
Filmmaker Guy Ritchie and his girlfriend of two years
, model Jacqui Ainsley, are engaged to be married, his rep confirms.
"They're over the moon in love," a friend of the couple's tells PEOPLE.
In addition, the two, already parents
to son Rafael, born in September 2011
, are expecting another child later this year. The pregnancy was announced
The Sherlock Holmes: A Game of Shadows
director, 44, was previously married to Madonna
, having tied the knot at a lavish 2000 wedding in Scotland
The two have a son, Rocco, now 12, and adopted their son
David, from Malawi
, in 2008. (He's now 7.)
In October of that year they ended their marriage